CSS Typed OM: Implement TransformValue::asMatrix

third_party/WebKit/Source/core/css/cssom/MatrixTransformComponent.h

Index: third_party/WebKit/Source/core/css/cssom/MatrixTransformComponent.h
diff --git a/third_party/WebKit/Source/core/css/cssom/MatrixTransformComponent.h b/third_party/WebKit/Source/core/css/cssom/MatrixTransformComponent.h
index 78686821255f9293f4d7f95b872138f7246610c4..89b15653c34745f6352f208bbe58f73bc2ec9807 100644
--- a/third_party/WebKit/Source/core/css/cssom/MatrixTransformComponent.h
+++ b/third_party/WebKit/Source/core/css/cssom/MatrixTransformComponent.h
@@ -75,6 +75,17 @@ public:
     static MatrixTransformComponent* translate(double x, double y);
     static MatrixTransformComponent* translate3d(double x, double y, double z);
 
+    const TransformationMatrix& matrix() const { return *m_matrix; }
+
+    // TODO: implement multiply with case statement with TransformComponent::type()
+    MatrixTransformComponent* multiplySelf(const MatrixTransformComponent* other);
+
+    MatrixTransformComponent()
+        : TransformComponent()
+        , m_matrix(TransformationMatrix::create())
+        , m_is2D(true)
+    { }
+
 private:
     MatrixTransformComponent(double a, double b, double c, double d, double e, double f)
         : TransformComponent()
@@ -91,7 +102,7 @@ private:
         , m_is2D(false)
     { }
 
-    MatrixTransformComponent(PassOwnPtr<const TransformationMatrix> matrix, TransformComponentType fromType)
+    MatrixTransformComponent(PassOwnPtr<TransformationMatrix> matrix, TransformComponentType fromType)
         : TransformComponent()
         , m_matrix(matrix)
         , m_is2D(is2DComponentType(fromType))
@@ -101,7 +112,7 @@ private:
     // supports 16-byte alignment but Oilpan doesn't. So we use an OwnPtr
     // to allocate TransformationMatrix on PartitionAlloc.
     // TODO(oilpan): Oilpan should support 16-byte aligned allocations.
-    OwnPtr<const TransformationMatrix> m_matrix;
+    OwnPtr<TransformationMatrix> m_matrix;
     bool m_is2D;
 };